function displayRow (layerName) {
	document.getElementById(layerName).style.display='block';
}

function displayNone (layerName) {
	document.getElementById(layerName).style.display='none';
}
	
function closeAll() { 
	displayNone('layer1'); 
	displayNone('layer2');
}	

function hideAll() { 
	hideLayer('click1');
	hideLayer('click2');
}

function openNewWindow(theURL,winName,features) { 
	newWindow = window.open(theURL, winName, features);
	if (window.focus) {
		setTimeout('newWindow.focus()',1000); }
}

function newImg(imgName, imgObjName) {
   if (ready) document.images[imgName].src=eval(imgObjName + ".src");
   return true;
}

function chgtxt(obj,linkid,linkcolor) {
	if(document.getElementById) {
		document.getElementById(linkid).style.color=linkcolor
	}
}

function showLayer(layerName) {
document.getElementById(layerName).style.visibility="visible"; 
}

function hideLayer(layerName) { 
document.getElementById(layerName).style.visibility="hidden";
}

function display (category) {
	var whichcategory = document.getElementById(category);
	if (whichcategory.className=="show") {
		whichcategory.className="hide";
	} else {
		whichcategory.className="show";
	}
}